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transform_test.go
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transform_test.go
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package tcg
import (
"testing"
)
func TestBuffer_Invert(t *testing.T) {
b := MustNewBufferFromStrings([]string{
"..........",
".*******..",
".*.....*..",
".*.....*..",
".*.....*..",
".*.....*..",
".*******..",
"..........",
"..........",
"..........",
})
b.Invert()
expected := MustNewBufferFromStrings([]string{
"**********",
"*.......**",
"*.*****.**",
"*.*****.**",
"*.*****.**",
"*.*****.**",
"*.......**",
"**********",
"**********",
"**********",
})
assertEqBuffers(t, b, expected)
}
func TestBuffer_FlipH(t *testing.T) {
b := MustNewBufferFromStrings([]string{
"..........",
"*********.",
".*.....*..",
"..*...*...",
"...*.*....",
"....*.....",
"..........",
"..........",
"..........",
})
b.HFlip()
expected := MustNewBufferFromStrings([]string{
"..........",
"..........",
"..........",
"....*.....",
"...*.*....",
"..*...*...",
".*.....*..",
"*********.",
"..........",
})
assertEqBuffers(t, b, expected)
}
func TestBuffer_FlipV(t *testing.T) {
b := MustNewBufferFromStrings([]string{
"..........",
"..........",
".*........",
".**.......",
".*.*......",
".*..*.....",
".*.*......",
".**.......",
".*........",
"..........",
})
b.VFlip()
expected := MustNewBufferFromStrings([]string{
"..........",
"..........",
"........*.",
".......**.",
"......*.*.",
".....*..*.",
"......*.*.",
".......**.",
"........*.",
"..........",
})
assertEqBuffers(t, b, expected)
}
func TestBuffer_ScrollV(t *testing.T) {
{
b := MustNewBufferFromStrings([]string{
".*........",
".**.......",
".*.*......",
".*..*.....",
".*.*......",
".**.......",
".*........",
"..........",
"..........",
"..........",
})
b.VScroll(1)
expected := MustNewBufferFromStrings([]string{
"..........",
".*........",
".**.......",
".*.*......",
".*..*.....",
".*.*......",
".**.......",
".*........",
"..........",
"..........",
})
assertEqBuffers(t, b, expected)
b.VScroll(3)
expected = MustNewBufferFromStrings([]string{
"..........",
"..........",
"..........",
"..........",
".*........",
".**.......",
".*.*......",
".*..*.....",
".*.*......",
".**.......",
})
assertEqBuffers(t, b, expected)
}
{
b := MustNewBufferFromStrings([]string{
"..........",
"..........",
"..........",
".*........",
".**.......",
".*.*......",
".*..*.....",
".*.*......",
".**.......",
".*........",
})
b.VScroll(-1)
expected := MustNewBufferFromStrings([]string{
"..........",
"..........",
".*........",
".**.......",
".*.*......",
".*..*.....",
".*.*......",
".**.......",
".*........",
"..........",
})
assertEqBuffers(t, b, expected)
b.VScroll(-3)
expected = MustNewBufferFromStrings([]string{
".**.......",
".*.*......",
".*..*.....",
".*.*......",
".**.......",
".*........",
"..........",
"..........",
"..........",
"..........",
})
assertEqBuffers(t, b, expected)
}
}
func TestBuffer_ScrollH(t *testing.T) {
{
b := MustNewBufferFromStrings([]string{
".*........",
".**.......",
"**.*......",
"**..*.....",
"**.*......",
".**.......",
".*........",
"..........",
"..........",
"..........",
})
b.HScroll(1)
expected := MustNewBufferFromStrings([]string{
"..*.......",
"..**......",
".**.*.....",
".**..*....",
".**.*.....",
"..**......",
"..*.......",
"..........",
"..........",
"..........",
})
assertEqBuffers(t, b, expected)
b.HScroll(3)
expected = MustNewBufferFromStrings([]string{
".....*....",
".....**...",
"....**.*..",
"....**..*.",
"....**.*..",
".....**...",
".....*....",
"..........",
"..........",
"..........",
})
assertEqBuffers(t, b, expected)
}
{
b := MustNewBufferFromStrings([]string{
"..........",
"..........",
"........*.",
".......**.",
"......*.**",
".....*..**",
"......*.**",
".......**.",
"........*.",
"..........",
})
b.HScroll(-1)
expected := MustNewBufferFromStrings([]string{
"..........",
"..........",
".......*..",
"......**..",
".....*.**.",
"....*..**.",
".....*.**.",
"......**..",
".......*..",
"..........",
})
assertEqBuffers(t, b, expected)
b.HScroll(-3)
expected = MustNewBufferFromStrings([]string{
"..........",
"..........",
"....*.....",
"...**.....",
"..*.**....",
".*..**....",
"..*.**....",
"...**.....",
"....*.....",
"..........",
})
assertEqBuffers(t, b, expected)
}
}